[2] Its symbols were a green and yellow flag with a five-pointed red star and the inscription "Pátria Livre".

[2] MR-8 was founded in 1964 from a split in the Brazilian Communist Party (PCB),[2] under the name Dissidence of Rio de Janeiro (DI-RJ).

[5] A Marxist–Leninist guerrilla group, it promoted armed actions against the military dictatorship and advocated the establishment of a Communist regime in the country.

[2] On October 3, 2011, judges of the Supreme Electoral Court unanimously granted the request for PPL's creation, making it the 29th legal political party in Brazil.

[2] To this end, it listed five basic objectives: the strengthening of the internal market, in order to generate more jobs; the reduction of the basic interest rate; the technological development of the country; the accomplishment of full economy; and the ensuring of good public health and education for all.